WO2021128360A1

WO2021128360A1 - Centrifugal sedimentation equipment for sewage treatment

Info

Publication number: WO2021128360A1
Application number: PCT/CN2019/129510
Authority: WO
Inventors: 徐建国
Original assignee: 淄博创立机电科技有限公司
Priority date: 2019-12-23
Filing date: 2019-12-28
Publication date: 2021-07-01
Also published as: CN110812938A

Abstract

Provided is a centrifugal sedimentation equipment for sewage treatment, comprising a supporting frame (1), wherein annular connecting grooves (2) are fixedly arranged at the bottom and the top of the supporting frame (1), a rotary cylinder (3) is arranged between the annular connecting grooves (2), a filtering box (4) is fixedly arranged at the right end of an upper side of the supporting frame (1), a drain pipe (9) is arranged at the left side of the filtering box (4), a flocculant storage box (11) is arranged at the upper side of the filtering box (4), the left side of the flocculant storage box (11) is connected with the rotary cylinder (3) through a discharge pipe (12), a left wall of the supporting frame (1) is connected with a driving motor (17) through a fixing plate (16), a rotary shaft (15) is arranged at an upper side of the driving motor (17), the rotary shaft (15) is connected with a rotary shaft (14) through a belt, a stirring rod (20) is arranged at an upper end of the rotary shaft (14), a thread is arranged at a lower end of the rotary shaft (14), a scraper plate (21) is arranged at the lower end of the rotary shaft (14), and a lower side of the scraper (21) is connected with a second filter sieve (25) through a pair of connecting blocks (24), which makes it effective and convenient to clean the sediment attached to the inside of a sedimentation device.

Description

Centrifugal sedimentation equipment for sewage treatment

Technical field

The invention relates to the field of environmental protection, in particular to a centrifugal sedimentation equipment for sewage treatment.

Background technique

Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a certain water body or reuse. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical treatment, and catering, and it is increasingly entering the daily lives of ordinary people.

The currently published Chinese Patent Authorization Announcement No. CN209740880U is a sedimentation tank for treating municipal sewage. Although it can treat the impurities precipitated in the sewage treatment process, the sediment attached to the sedimentation equipment cannot be properly treated. Long-term accumulation will not only rust the surface of the equipment, but it will also be very inconvenient to clean up.

Summary of the invention

The purpose of the present invention is to provide a centrifugal sedimentation equipment for sewage treatment to solve the problems raised in the background art.

In order to achieve the above objectives, the present invention provides the following technical solutions:

A centrifugal sedimentation equipment for sewage treatment, comprising a support frame, the bottom and top of the support frame are fixedly installed with annular connecting grooves, a rotating cylinder is installed between the annular connecting grooves, and a filter box is fixedly installed at the upper right end of the support frame , The right end of the filter box is equipped with a water inlet pipe, the inside of the filter box is provided with a first filter screen, and the left side of the filter box is provided with a drain pipe. The lower end of the drain pipe is inserted in the middle of the rotating cylinder. A water pump, a flocculant storage box is arranged on the upper side of the filter box, and the left side of the flocculant storage box is connected with the top support frame of the rotating drum through a discharge pipe, and the discharge pipe is provided with a control valve, and the support frame The left wall is connected with the drive motor through a fixed plate. The upper side of the drive motor is provided with a rotating shaft. The rotating shaft on the upper side of the support frame is connected with the rotating shaft through a belt. The main part of the rotating shaft is installed inside the rotating drum, and the upper end of the rotating shaft is provided with Stirring rod, the lower end of the rotating shaft is provided with a thread, and the lower end of the rotating shaft is provided with a scraper. The scraper is provided on the thread of the rotating shaft and is threadedly connected with the rotating shaft. The lower side of the scraper is connected to the second filter through a pair of connecting blocks. Network to connect.

As a preferred embodiment of the present invention, the front side of the filter box is connected with a sealing door through a hinge, which can facilitate the processing of filtered impurities.

As a preferred embodiment of the present invention, a vibrator is provided on the left side of the first filter screen to facilitate removal of impurities attached to the first filter screen.

As a preferred embodiment of the present invention, a driving gear is installed on the rotating shaft, and a driven gear is meshed on the right side of the driving gear. The driven gear is installed on the outside of the rotating drum, which can effectively drive the rotating drum to rotate, so that the rotation can be realized. Centrifugal precipitation treatment.

As a preferred embodiment of the present invention, limit rods are provided at the left and right ends of the upper side of the scraper, and the upper ends of the limit rods are inserted into the limit grooves, which can ensure the stable movement of the scraper up and down.

As a preferred embodiment of the present invention, a first connecting tube is inserted into the second filter on the outside of the connecting block, and the upper end of the first connecting tube is inserted into the upper side of the scraper, which facilitates the filtering process of the equipment.

As a preferred embodiment of the present invention, a solenoid valve is provided on the first connecting pipe inside the scraper to control the discharge of the aqueous solution to the lower side of the rotating drum.

As a preferred embodiment of the present invention, a second connecting tube is arranged on the scraper outside the first connecting tube, the bottom of the second connecting tube is arranged on the upper side of the second filter screen, and the top of the second connecting tube is arranged On the upper side of the scraper, it is convenient to discharge the aqueous solution.

As a preferred embodiment of the present invention, a sealing block is provided on the upper side of the second connecting pipe, connecting pieces are arranged at the left and right ends of the lower side of the sealing block, and the bottom of the connecting piece is installed on the mounting rod.

As a preferred embodiment of the present invention, the mounting rod is arranged inside the scraper, and the mounting rod located on the lower side of the connecting piece is provided with a spring, which can realize automatic closing.

Compared with the prior art, the beneficial effect of the present invention is that the present invention provides a rotary centrifugal sedimentation device in the middle of the support frame, which can facilitate the sedimentation and treatment of sewage, and the entire equipment only needs to use a driving motor to achieve rotary centrifugation. Treatment, stirring treatment and up and down moving scraping treatment, which can effectively save costs; through the setting of the hanging plate, the upper and lower ends of the rotating drum can form a stirring chamber and a sedimentation chamber respectively, which can facilitate the stirring of impurities in the sewage And sedimentation treatment; by moving the scraper up and down, the side wall of the sedimentation area at the bottom of the rotating drum can be scraped, so as to ensure the cleanliness of the inside of the rotating drum and facilitate the use of equipment.

Description of the drawings

Figure 1 is a schematic structural diagram of a centrifugal sedimentation equipment for sewage treatment of the present invention.

Figure 2 is a schematic structural view of a front view of a centrifugal sedimentation equipment for sewage treatment according to the present invention.

Fig. 3 is a schematic structural diagram of an automatic drainage device at A in a centrifugal sedimentation equipment for sewage treatment according to the present invention.

4 is a schematic diagram of the three-dimensional structure of the scraping device in a centrifugal sedimentation equipment for sewage treatment according to the present invention.

1-support frame, 2-ring connection groove, 3-rotating cylinder, 4-filter box, 5-sealing door, 6-inlet pipe, 7-first filter, 8-vibrator, 9-drain pipe, 10- Water pump, 11-flocculant storage tank, 12-discharge pipe, 13-control valve, 14-rotating shaft, 15-rotating shaft, 16-fixed plate, 17-driving motor, 18-driving gear, 19-slave Gear, 20-stirring rod, 21-scraper, 22-limiting rod, 23-limiting slot, 24-connecting block, 25-second filter screen, 26-first connecting pipe, 27-solenoid valve, 28- The second connecting pipe, 29-sealing block, 30-connecting piece, 31-mounting rod, 32-spring.

Detailed ways

It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other if there is no conflict.

In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, a person of ordinary skill in the art can understand that, in each embodiment of the present invention, many technical details are proposed for the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solution claimed in this application can be realized.

Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments.

Example one

1 to 4, in the embodiment of the present invention, a centrifugal sedimentation equipment for sewage treatment includes a support frame 1. The bottom and the top of the support frame 1 are fixedly installed with annular connecting grooves 2, and the annular connecting grooves 2 are installed between them. There is a rotating drum 3, and the annular connecting groove 2 can ensure the sealing of the rotating drum 3 and facilitate the rotation of the rotating drum 3.

The upper right end of the support frame 1 is fixedly installed with a filter box 4, and the front side of the filter box 4 is connected with a sealing door 5 through a hinge, which can facilitate the processing of impurities filtered by the filter box 4, and the right end of the filter box 4 is equipped with a water inlet pipe 6, which can It is used to add and discharge sewage. The filter box 14 is provided with a first filter screen 7 for filtering out-of-sight impurities. The first filter screen 7 is provided with a vibrator 8 on the left side. The vibrator 8 is a sealing device that can seal the The impurities attached to the filter screen 7 are shaken off, which is convenient for the use of the equipment. The filter box 4 is provided with a drain pipe 9 on the left side. The lower end of the drain pipe 9 is inserted in the middle of the rotating drum 3 to facilitate the addition of sewage. It is located in the supporting frame 1 The drain pipe 9 on the upper side is provided with a water pump 10, which can pump the inside of the rotating drum, so as to facilitate the discharge of the sewage after the sedimentation treatment is completed.

The upper side of the filter box 4 is provided with a flocculant storage box 11, and the left side of the flocculant storage box 11 is connected to the top support frame 1 of the rotating drum 3 through a discharge pipe 12, and a control valve is provided on the discharge pipe 12 13. It is convenient to add flocculant to the inside of the equipment. The left wall of the support frame 1 is connected with a drive motor 17 through a fixed plate 16. The upper side of the drive motor 17 is provided with a rotating shaft 15 and a driving gear 18 is installed on the rotating shaft 15. The right side of the driving gear 18 meshes with a driven gear 19, which is mounted on the outside of the rotating drum 3. The driving gear 18 is driven to rotate by the driving motor 17, and the driving gear 18 drives the driven gear 19 to rotate, thereby driving the rotating drum 3 Rotation can realize the spinning centrifugal sedimentation treatment of the equipment, which facilitates the sedimentation of the equipment.

The rotating shaft 15 located on the upper side of the support frame 1 is connected to the rotating shaft 14 through a belt. The main part of the rotating shaft 14 is installed inside the rotating drum 3. The upper end of the rotating shaft 14 is provided with a stirring rod 20, which can carry out agitation treatment, so as to ensure the sewage and condensation. The flocculant is uniformly mixed. The lower end of the rotating shaft 14 is provided with threads, and the lower end of the rotating shaft 14 is provided with a scraper 21. The scraper 21 is arranged on the threads of the rotating shaft 14 and is threadedly connected with the rotating shaft 14. The lower end of the scraper 21 is The side is connected to the second filter screen 25 by a pair of connecting blocks 24. A first connecting pipe 26 is inserted into the second filter screen 25 outside the connecting block 24. The upper end of the first connecting pipe 26 is inserted into the upper side of the scraper 21 , The first connecting pipe 26 located inside the scraper 21 is provided with a solenoid valve 27, the scraper 21 located outside the first connecting pipe 26 is provided with a second connecting pipe 28, and the bottom of the second connecting pipe 28 is set at the second On the upper side of the filter screen 25, the top of the second connecting pipe 28 is arranged on the upper side of the scraper 21, the upper side of the second connecting pipe 28 is provided with a sealing block 29, and the lower and left ends of the sealing block 29 are provided with connecting pieces 30, The bottom of the connecting piece 30 is mounted on the mounting rod 31, the mounting rod 31 is arranged inside the scraper 21, and the mounting rod 31 located on the lower side of the connecting piece 30 is provided with a spring 32, which is rotated by the rotating shaft 14, so that the scraper can be turned 21 moves up and down, so that not only can the inner wall of the sedimentation zone at the bottom be cleaned, but the pressure at the bottom will increase, which will push the sealing block 29 on the second connecting pipe 28 to move upward, so that the aqueous solution separated from the sedimentation zone can be discharged. Into the upper side of the scraper 23, so that the water pump 10 on the drain pipe 9 can pump the sewage after the sedimentation treatment, which facilitates the separation of the sediment and the aqueous solution.

Example two

The difference from the first embodiment is that the upper and left ends of the scraper 21 are provided with limit rods 22, the upper end of the limit rod 22 is inserted into the limit groove 23, and the limit groove 23 is provided on the inner wall of the upper end of the rotating cylinder 3. Not only will it not affect the cleaning of the inner wall by the scraper 21, but also ensure the smooth movement of the scraper 21 up and down.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified, rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "multiple" means two or more than two, and it should be noted that, unless expressly stipulated and defined otherwise, the terms "installed", "connected", "Connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. , It can be the internal communication between the two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood through specific circumstances.

For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description, and therefore it is intended to fall within the claims. All changes within the meaning and scope of the equivalent elements of are included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

A centrifugal sedimentation equipment for sewage treatment, comprising a support frame (1), the bottom and top of the support frame (1) are fixedly installed with an annular connecting groove (2), and a rotating cylinder (2) is installed between the annular connecting grooves (2) 3) A filter box (4) is fixedly installed at the upper right end of the support frame (1), a water inlet pipe (6) is installed at the right end of the filter box (4), and a first filter screen (7) is arranged inside the filter box (14) ), a drain pipe (9) is provided on the left side of the filter box (4), the lower end of the drain pipe (9) is inserted in the middle of the rotating cylinder (3), and the drain pipe (9) on the upper side of the support frame (1) is provided with Pump (10), the filter box (4) is provided with a flocculant storage box (11) on the upper side, and the left side of the flocculant storage box (11) passes through the discharge pipe (12) and the rotating drum (3) The top support frame (1) is connected, the discharge pipe (12) is provided with a control valve (13), and the left wall of the support frame (1) is connected with a drive motor (17) through a fixing plate (16) to drive The upper side of the motor (17) is provided with a rotating shaft (15), which is characterized in that the rotating shaft (15) located on the upper side of the supporting frame (1) is connected to the rotating shaft (14) through a belt, and the main body of the rotating shaft (14) is installed in Inside the rotating drum (3), the upper end of the rotating shaft (14) is provided with a stirring rod (20), the lower end of the rotating shaft (14) is provided with threads, and the lower end of the rotating shaft (14) is provided with a scraper (21) and a scraper (21) It is arranged on the thread of the rotating shaft (14) and is connected with the rotating shaft (14) by threading. The lower side of the scraper (21) is connected with the second filter screen (25) through a pair of connecting blocks (24).
The centrifugal sedimentation equipment for sewage treatment according to claim 1, characterized in that the front side of the filter box (4) is connected with a sealing door (5) through a hinge.
The centrifugal sedimentation equipment for sewage treatment according to claim 1 or 2, characterized in that a vibrator (8) is provided on the left side of the first filter screen (7).
The centrifugal sedimentation equipment for sewage treatment according to claim 1, characterized in that a driving gear (18) is installed on the rotating shaft (15), and a driven gear (19) is meshed on the right side of the driving gear (18). The movable gear (19) is installed on the outside of the rotating cylinder (3).
The centrifugal sedimentation equipment for sewage treatment according to claim 1, wherein the upper and left ends of the scraper (21) are provided with limit rods (22), and the upper ends of the limit rods (22) are inserted into the limit grooves. (23) Internal.
The centrifugal sedimentation equipment for sewage treatment according to claim 1, wherein a first connecting pipe (26) is inserted into the second filter screen (25) located outside the connecting block (24), and the first connecting pipe (26) The upper end is inserted into the upper side of the scraper (21).
The centrifugal sedimentation equipment for sewage treatment according to claim 6, characterized in that a solenoid valve (27) is provided on the first connecting pipe (26) inside the scraper (21).
The centrifugal sedimentation equipment for sewage treatment according to claim 7, characterized in that a second connecting pipe (28) is provided on the scraper (21) located outside the first connecting pipe (26), and the second connecting pipe The bottom of (28) is arranged on the upper side of the second filter screen (25), and the top of the second connecting pipe (28) is arranged on the upper side of the scraper (21).
The centrifugal sedimentation equipment for sewage treatment according to claim 8, characterized in that the upper side of the second connecting pipe (28) is provided with a sealing block (29), and the left and right ends of the lower side of the sealing block (29) are provided with connection The bottom of the connecting piece (30) and the connecting piece (30) are installed on the mounting rod (31).
The centrifugal sedimentation equipment for sewage treatment according to claim 9, characterized in that the mounting rod (31) is arranged inside the scraper (21), on the mounting rod (31) on the lower side of the connecting piece (30) A spring (32) is provided.